68845830 has 16 divisors (see below), whose sum is σ = 165230064. Its totient is φ = 18358880.

The previous prime is 68845793. The next prime is 68845837. The reversal of 68845830 is 3854886.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68845837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147401 + ... + 1147460.

It is an arithmetic number, because the mean of its divisors is an integer number (10326879).

Almost surely, 2^68845830 is an apocalyptic number.

68845830 is an abundant number, since it is smaller than the sum of its proper divisors (96384234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68845830 is a wasteful number, since it uses less digits than its factorization.

68845830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294871.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 68845830 is about 8297.3387299784. The cubic root of 68845830 is about 409.8508876758.

The spelling of 68845830 in words is "sixty-eight million, eight hundred forty-five thousand, eight hundred thirty".